<template>
  <div class="cart">
    <RouterLink to="/cart" class="cart-icon">
      <i class="iconfont icon-cart"></i
      ><em>{{ store.getters['cart/validTotal'] }}</em>
    </RouterLink>
    <div
      class="layer"
      v-if="store.getters['cart/validTotal'] && $route.path !== '/cart'"
    >
      <div class="list">
        <div
          class="list-item"
          v-for="item in store.getters['cart/validList']"
          :key="item.skuId"
        >
          <RouterLink :to="`/product/${item.id}`">
            <img :src="item.picture" alt="" />
            <div class="center-info">
              <p class="name ellipsis-2">
                {{ item.name }}
              </p>
              <p class="attr ellipsis">{{ item.attrsText }}</p>
            </div>
            <div class="right-info">
              <p class="price">&yen;{{ item.nowPrice }}</p>
              <p class="count">x{{ item.count }}</p>
            </div>
          </RouterLink>
          <i
            @click="deleteCart(item.skuId)"
            class="iconfont icon-close-new"
          ></i>
        </div>
      </div>
      <div class="foot">
        <div class="total">
          <p>共 {{ store.getters['cart/validTotal'] }} 件商品</p>
          <p>&yen;{{ store.getters['cart/validAmount'] }}</p>
        </div>
        <xtx-button type="plain" @click="router.push('/cart')"
          >去购物车结算</xtx-button
        >
      </div>
    </div>
    <div
      class="layer"
      v-else-if="!store.getters['cart/validTotal'] && $route.path !== '/cart'"
    >
      <div class="cart-none">
        <img src="@/assets/images/none.png" alt="" />
        <p>购物车内暂时没有商品</p>
      </div>
    </div>
  </div>
</template>

<script>
import {} from 'vue'
import { useStore } from 'vuex'
import { useRoute, useRouter } from 'vue-router'
import { message } from './library/message'
export default {
  name: 'AppHeaderCart',
  setup() {
    const store = useStore()
    const route = useRoute()
    const router = useRouter()
    // 删除购物车商品
    const deleteCart = (skuId) => {
      store
        .dispatch('cart/deleteCart', skuId)
        .then(() => {
          message({ type: 'success', message: '删除成功' })
        })
        .catch((e) => {
          message({ type: 'error', message: '删除失败' })
        })
    }
    store.dispatch('cart/findCartList')
    return { store, route, router, deleteCart }
  }
}
</script>
<style scoped lang="less">
.cart {
  width: 50px;
  position: relative;
  z-index: 600;
  .cart-icon {
    height: 32px;
    line-height: 32px;
    text-align: center;
    position: relative;
    display: block;
    .icon-cart {
      font-size: 22px;
    }
    em {
      font-style: normal;
      position: absolute;
      top: 0;
      right: 0;
      padding: 1px 6px;
      line-height: 1;
      background-color: @helpColor;
      color: #fff;
      font-size: 12px;
      border-radius: 10px;
      font-family: Arial;
    }
  }
  &:hover {
    .layer {
      opacity: 1;
      transform: none;
    }
  }
  .layer {
    opacity: 0;
    transition: all 0.4s 0.2s;
    transform: translateY(-200px) scale(1, 0);
    width: 400px;
    height: 400px;
    position: absolute;
    top: 50px;
    right: 0;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    background-color: #fff;
    border-radius: 4px;
    padding-top: 10px;
    &::before {
      content: '';
      position: absolute;
      right: 14px;
      top: -10px;
      width: 20px;
      height: 20px;
      background-color: #fff;
      transform: scale(0.6, 1) rotate(45deg);
      box-shadow: -3px -3px 5px rgba(0, 0, 0, 0.1);
    }
    .foot {
      position: absolute;
      left: 0;
      bottom: 0;
      height: 70px;
      width: 100%;
      padding: 10px;
      display: flex;
      justify-content: space-between;
      background-color: #f8f8f8;
      align-items: center;
      .total {
        padding-left: 10px;
        color: #999;
        p {
          &:last-child {
            font-size: 18px;
            color: @priceColor;
          }
        }
      }
    }
    .list {
      height: 310px;
      overflow: auto;
      padding: 0 10px;
      &::-webkit-scrollbar {
        width: 10px;
        height: 10px;
      }
      &::-webkit-scrollbar-track {
        background-color: #f8f8f8;
        border-radius: 2px;
      }
      &::-webkit-scrollbar-thumb {
        background-color: #eee;
        border-radius: 10px;
      }
      &::-webkit-scrollbar-thumb:hover {
        background-color: #ccc;
      }
      .list-item {
        border-bottom: 1px solid #f5f5f5;
        padding: 10px 0;
        position: relative;
        i {
          position: absolute;
          bottom: 38px;
          right: 0;
          opacity: 0;
          color: #666;
          transition: all 0.5s;
        }
        &:hover {
          i {
            opacity: 1;
            cursor: pointer;
          }
        }
        a {
          display: flex;
          align-items: center;
          img {
            width: 80px;
            height: 80px;
          }
          .center-info {
            padding: 0 10px;
            width: 200px;
            .name {
              font-size: 16px;
            }
            .attr {
              color: #999;
              padding-top: 5px;
            }
          }
          .right-info {
            width: 100px;
            padding-right: 20px;
            text-align: center;
            .price {
              font-size: 16px;
              color: @priceColor;
            }
            .count {
              color: #999;
              margin-top: 5px;
              font-size: 16px;
            }
          }
        }
      }
    }
  }
}
.cart-none {
  text-align: center;
  padding: 100px 0;
  background-color: #fff;
  img {
    width: 180px;
  }
  p {
    color: #999999;
    padding: 20px 0;
  }
}
</style>
